Sea stars sighted predators 79 million years ago
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/04/ticker_lense_free.jpg?fit=860%2C460&ssl=1)
The mineral bulges (one shown) on the bodies of brittle stars and starfish suggest complex vision evolved in these animals at least 79 million years ago.
Przemysław Gorzelak/Institute of Paleobiology/Polish Academy of Sciences